Climatological Report (Monthly)
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
727
CXUS51 KLWX 012017
CLMIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
317 PM EST MON DEC 01 2025
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...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR THE MONTH OF NOVEMBER 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
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TEMPERATURE (F)
RECORD
HIGH 84 11/01/1982
11/02/1971
LOW 9 11/24/1989
HIGHEST 74 11/05 75 -1 83
LOWEST 24 11/18 19 5 20
11/29
AVG. MAXIMUM 57.6 56.5 1.1 61.5
AVG. MINIMUM 36.3 35.6 0.7 40.4
MEAN 47.0 46.0 1.0 51.0
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 0 0.1 -0.1 0
DAYS MIN <= 32 8 12.9 -4.9 5
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 7.83 1963
MINIMUM 0.24 1981
TOTALS 0.89 3.13 -2.24 1.85
DAILY AVG. 0.03 0.10 -0.07 0.06
DAYS >= .01 10 8.6 1.4 9
DAYS >= .10 4 5.4 -1.4 6
DAYS >= .50 0 2.1 -2.1 1
DAYS >= 1.00 0 0.9 -0.9 0
GREATEST
24 HR. TOTAL 0.29 11/18 TO 11/19 0.78
STORM TOTAL 0.20 0.78
(MM/DD(HH))
SNOWFALL (INCHES)
RECORDS
TOTAL 11.4 1967
TOTALS T 0.3 -0.3 T
SINCE 7/1 T 0.3 -0.3 MM
DAYS >= TRACE 1 0.2 0.8 2
DAYS >= 1.0 0 0.1 -0.1 0
GREATEST
SNOW DEPTH 0 0
DEGREE DAYS
HEATING TOTAL 533 570 -37 430
SINCE 7/1 793 899 -106 MM
COOLING TOTAL 0 1 -1 16
SINCE 1/1 1330 1231 99 MM
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WIND (MPH)
AVERAGE WIND SPEED 7.9
HIGHEST WIND SPEED/DIRECTION 33/310
HIGHEST GUST SPEED/DIRECTION 47/320
SKY COVER
AVERAGE SKY COVER 0.58
AVERAGE RH (PERCENT) 60
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 0 MIXED PRECIP 0
HEAVY RAIN 0 RAIN 1
LIGHT RAIN 13 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 1 SLEET 1
FOG 8 FOG W/VIS <= 1/4 MILE 1
HAZE 1
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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